/**
 * Copyright 2011-2011 - Members of the Chaupal Community
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */


package net.chaupal.Impl.v1.Tools;

public final class Tools {

    private Tools() { };

    public static final int compareByteArrays (byte[] ba1, byte[] ba2) {

        if ( ba1 == null ) {
            if ( ba2 == null ) {
                return 0;
            } else {
                return -1;
            }
        } else {
            if ( ba2 == null ) {
                return 1;
            }
        }

        if ( ba1.length > ba2.length ) return 1;
        if ( ba1.length < ba2.length) return -1;

        for (int i=0;i<ba1.length;i++) {
            if ( ba1[i] > ba2[i] ) return 1;
            if ( ba1[i] < ba2[i] ) return -1;
        }

        return 0;

    }

}
